/* Copyright 2022 The TensorFlow Authors. All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==============================================================================*/

#ifndef TENSORFLOW_COMPILER_MLIR_TENSORFLOW_UTILS_MLPROGRAM_UTIL_H_
#define TENSORFLOW_COMPILER_MLIR_TENSORFLOW_UTILS_MLPROGRAM_UTIL_H_

#include <memory>
#include <string>

#include "mlir/IR/BuiltinOps.h"  // from @llvm-project
#include "mlir/Support/LogicalResult.h"  // from @llvm-project

namespace tensorflow {

// Lowers a TensorFlow Graph (already converted to MLIR, imported with
// tf_executor dialect still present) to ml_program+HLO. Returns an
// MLIR consisting of the HLO, ml_program and (for fallbacks) TF dialects.
// On failure, nullptr is returned.
mlir::LogicalResult LowerToMlProgramAndHlo(mlir::ModuleOp module_op);

void RegisterMlProgramPasses();

}  // namespace tensorflow

#endif  // TENSORFLOW_COMPILER_MLIR_TENSORFLOW_UTILS_MLPROGRAM_UTIL_H_
